Home / 628,513.04-867,335.88-342,039.44

Finding the Fourth Proportional to 628,513.04, 867,335.88 and 342,039.44

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Solution

The fourth proportional to 628,513.04, 867,335.88 and 342,039.44 is: 472,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,513.04 : 867,335.88 = 342,039.44 : x
  2. Step 2: Convert to fraction form
    628,513.04/867,335.88 = 342,039.44/x
  3. Step 3: Cross multiply
    628,513.04x = 867,335.88 × 342,039.44
  4. Step 4: Simplify right side
    628,513.04x = 296,663,078,687.11
  5. Step 5: Solve for x
    x = 296,663,078,687.11/628,513.04
  6. Step 6: Final answer
    x = 472,007.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.